From: Anson Huang Date: Wed, 19 Jun 2019 07:12:40 +0000 (+0800) Subject: clk: imx8mq: Keep uart clocks on during system boot X-Git-Tag: v5.4-rc1~535^2~4^4^2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=15c64ff7625513c551e2b50c1ae28f729b61c5d3;p=platform%2Fkernel%2Flinux-rpi.git clk: imx8mq: Keep uart clocks on during system boot Call imx_register_uart_clocks() API to keep uart clocks enabled when earlyprintk or earlycon is active. Signed-off-by: Anson Huang Signed-off-by: Shawn Guo --- diff --git a/drivers/clk/imx/clk-imx8mq.c b/drivers/clk/imx/clk-imx8mq.c index 5fbc2a7..d407a07 100644 --- a/drivers/clk/imx/clk-imx8mq.c +++ b/drivers/clk/imx/clk-imx8mq.c @@ -272,6 +272,14 @@ static const char * const imx8mq_clko2_sels[] = {"osc_25m", "sys2_pll_200m", "sy static struct clk_onecell_data clk_data; +static struct clk ** const uart_clks[] = { + &clks[IMX8MQ_CLK_UART1_ROOT], + &clks[IMX8MQ_CLK_UART2_ROOT], + &clks[IMX8MQ_CLK_UART3_ROOT], + &clks[IMX8MQ_CLK_UART4_ROOT], + NULL +}; + static int imx8mq_clocks_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -555,6 +563,8 @@ static int imx8mq_clocks_probe(struct platform_device *pdev) err = of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); WARN_ON(err); + imx_register_uart_clocks(uart_clks); + return err; }